IPF in Saudi Arabia: Lessons for all.

The article discusses the Annals of Thoracic Medicine, Alhamad et al. reported the characteristics and outcomes of idiopathic pulmonary fibrosis patients seen and evaluated at tertiary care interstitial lung disease center. Topics include the authors of paper have to commended for applying the definition of Group 3 pulmonary hypertension; and another notable feature of paper has the reported incidence of acute exacerbations.